## Snakes on a Payload
## Copyright (C) 2011 CORE Security Technologies
##
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
##
## Authors:
## 2011/09/11 - Pedro Varangot (pvarangot@)
## 2011/09/11 - Fernando Russ (fruss@)

import os
class EnvToolchain(object):    
    def __init__(self, arch):        
        self.arch = arch
        env_toolchain_name = "s2l_" + self.arch.NAME.replace("-","_") + "_toolchain"        
        env_toolchain_prefix = "s2l_" + self.arch.NAME.replace("-","_") + "_toolchain_prefix"                
        v = os.environ.get(env_toolchain_name, None)
        if v == None:        
            raise Exception("'%s' not set. Missing toolchain." % env_toolchain_name )
        self.tools_path = v  
        self.tools_prefix = os.environ.get(env_toolchain_prefix, "")
        
        
    @property
    def objcopy(self): return os.path.join(self.tools_path, self.tools_prefix+"objcopy")
    @property
    def readelf(self): return os.path.join(self.tools_path, self.tools_prefix+"readelf")
    @property
    def cc(self): return os.path.join(self.tools_path, self.tools_prefix+"gcc")
    @property
    def ar(self): return os.path.join(self.tools_path, self.tools_prefix+"ar")
    @property
    def link(self): return os.path.join(self.tools_path, self.tools_prefix+"gcc")

